What must be done before downloading a widget for external use?

Testing the widget in preview mode is essential before downloading it for external use because this step allows developers and stakeholders to assess its functionality, appearance, and user experience in a controlled environment. Preview mode provides an opportunity to identify any issues or necessary adjustments without affecting the live site or end-users. By ensuring the widget operates as intended, organizations can reduce the risk of errors that could negatively impact user engagement and satisfaction once the widget is deployed externally.

The other options do not address the immediate need for verification of the widget's performance and usability prior to its public release. Purchasing an upgrade may enhance performance, but it is not a prerequisite for downloading the widget itself. Integrating the widget into an existing website is a subsequent step that follows validation in preview mode. Sharing with stakeholders for approval is important but is typically done after testing has confirmed that the widget meets necessary standards.